Electricity & Magnetism!

What is the name of this device?

• electric circuit

• generator

• electromagnet

• electric motor

What is the name of this device?

• electric circuit

• electric motor

• electromagnet

• generator

What is the name of this device?

• electric circuit

• electric motor

• generator

• electromagnet

What is the name of this device?

• electric circuit

• electric motor

• generator

• electromagnet

What happens in an electromagnet?

• Mechanical energy produces an electric field

• Mechanical energy transforms into electrical energy

• Electrical energy produces a magnetic field

• Electrical energy transforms into mechanical energy

When electricity to an electromagnet is stopped, what happens to the strength of the magnet?

• The magnetism stays the same

• The magnetism decreases

• The magnetism increases

• The magnetism stops

Which energy transformation is found in generator?

• Chemical energy to Electrical energy

• Chemical energy to Mechanical energy

• Electrical energy to Mechanical energy

• Mechanical energy to Electrical energy

What part of a circuit stops the current?

• wire
• switch
• battery
• light

What material is a good conductor?

• copper
• wood
• rubber
• plastic

Why are the wires covered in plastic?

• keeps the wire from scratching stuff
• makes a nice coil
• it is a conductor
• keeps you from getting shocked